Desk



FIG. 1 is a perspective view of a desk showing my new design;

FIG. 2 is a front perspective view thereof;

FIG. 3 is an end view, the opposite end being a mirror image thereof;

FIG. 4 is a rear view thereof; and,

FIG. 5 is a top view. 

The ornamental design for a desk, as shown and described. 